Holger Unterbrink

Holger is a long term security enthusiast started to work for Siemens as a telecommunication specialist building Hicom PBX systems and later networking systems. After passing the CCIE exam, he moved to Cisco 16 years ago, worked as penetration tester and as security consultant supporting large customer projects. His last job role at Cisco was leading the Cyber Security Technical Advisor Group in EMEA. Holger is now working as a Security Researcher in TALOS. He did security research in a couple of sectors like botnet technology, sandbox bypassing, VPN MITM and developed several tools for penetration testing. 活动家作为专业第三方嘉宾邀约平台，依托互联网公开数据为您提供嘉宾信息展示服务。若您发现嘉宾信息需要更新或移除，请发送邮件或联系客服。 我们专注于根据您的具体需求（包括演讲议题、会议日期及活动预算等），为您精准匹配各领域专业嘉宾。 为高效服务，建议您提前准备好详细活动信息，并拨打客服电话：18911802888（工作日9:00-18:00）。 温馨提示：本服务仅限嘉宾邀约相关事宜，其他需求暂不处理，感谢您的理解与配合。